MTD 631-04327A Mulch Plug Assembly Genuine OEM MTD part Replaces 631-04327 Fits 46" decks of specific brands and models, including: Troy Bilt 19A30005 46 Inch Deck Mulch Kit, 19A30005100, 19A30005OEM, MTD 19A30005 46 Inch Deck Mulch Kits (2010-2014), 19A30005100 (2010-2014), 19A30005OEM (2010-2014) Please note: Consult your machine's manual before ordering to ensure correct replacement parts